Front cover of a 4U host



FIG. 1 is a perspective view of the front cover of a 4U host;

FIG. 2 is a perspective view illustrating where the front cover of a 4U host is located in a 19-inch equipment rack;

FIG. 3 is a front view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side view of one end thereof; and,

FIG. 7 is a side view of the other end thereof.

The broken lines shown in the various Figures are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a front cover of a 4U host, as shown and described. 